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Updated: Sep 15, 2025
A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible
Published on: January 28, 2020
Revolutionizing Implant Success: CBCT-Guided Mandibular Ridge Resorption Assessment with Genial Tubercle as a Key
P Suthakar1, Alka Gupta1, Harsh Chansoria1
1Department of Prosthodontics, Government College of Dentistry, Indore, Madhya Pradesh, India.
Aim:
To assess mandibular alveolar ridge resorption using cone beam computed tomography (CBCT) with the genial tubercle (GT) as a reference.
Methods:
CBCT scans of 100 dentulous and 40 edentulous patients were analyzed; the vertical distances from the lingual alveolar crest and the GT to the mandibular base were measured.
Results:
The ratios of these measurements were calculated, and a linear regression model was developed to estimate bone height. Results showed a statistically significant correlation (ρ =0.551, P < 0.001) between the two measurements, with the regression equation z = 0.957x + 19.704. The study concludes that the GT is a reliable and practical reference for evaluating ridge resorption, offering a simple method for clinical implant planning.
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